<?php

/**
 * This is the model class for table "{{link}}".
 *
 * The followings are the available columns in table '{{link}}':
 * @property integer $link_id
 * @property string $link_name
 * @property string $link_url
 * @property string $link_desc
 */
class Link extends CActiveRecord
{
	/**
	 * @return string the associated database table name
	 */
	public function tableName()
	{
		return '{{link}}';
	}

	/**
	 * @return array validation rules for model attributes.
	 */
	public function rules()
	{
		// NOTE: you should only define rules for those attributes that
		// will receive user inputs.
		return array(
			array('link_name, link_url', 'required'),
			array('link_name, link_url', 'length', 'max'=>255),
			array('link_desc', 'safe'),
			// The following rule is used by search().
			// @todo Please remove those attributes that should not be searched.
			array('link_id, link_name, link_url, link_desc', 'safe', 'on'=>'search'),
		);
	}

	/**
	 * @return array relational rules.
	 */
	public function relations()
	{
		// NOTE: you may need to adjust the relation name and the related
		// class name for the relations automatically generated below.
		return array(
		);
	}

	/**
	 * @return array customized attribute labels (name=>label)
	 */
	public function attributeLabels()
	{
		return array(
			'link_id' => 'ID',
			'link_name' => '链接名称',
			'link_url' => '链接地址',
			'link_desc' => '链接备注',
		);
	}

	/**
	 * Retrieves a list of models based on the current search/filter conditions.
	 *
	 * Typical usecase:
	 * - Initialize the model fields with values from filter form.
	 * - Execute this method to get CActiveDataProvider instance which will filter
	 * models according to data in model fields.
	 * - Pass data provider to CGridView, CListView or any similar widget.
	 *
	 * @return CActiveDataProvider the data provider that can return the models
	 * based on the search/filter conditions.
	 */
	public function search()
	{
		// @todo Please modify the following code to remove attributes that should not be searched.

		$criteria=new CDbCriteria;

		$criteria->compare('link_id',$this->link_id);
		$criteria->compare('link_name',$this->link_name,true);
		$criteria->compare('link_url',$this->link_url,true);
		$criteria->compare('link_desc',$this->link_desc,true);

		return new CActiveDataProvider($this, array(
			'criteria'=>$criteria,
		));
	}

	/**
	 * Returns the static model of the specified AR class.
	 * Please note that you should have this exact method in all your CActiveRecord descendants!
	 * @param string $className active record class name.
	 * @return Link the static model class
	 */
	public static function model($className=__CLASS__)
	{
		return parent::model($className);
	}
	
	public function getLinkList($num=10){
        
        $condition =array(
                'select'=>'*',
                'order'=>'link_id',
                'condition'=>'',
                'offset'=>0,
                'limit'=>$num,
        );
        $link_list = Link::model() -> findAll($condition);
        return $link_list;
	}
	
}
